EP3385209B1 - Hebemaschine und aufzug - Google Patents

Hebemaschine und aufzug Download PDF

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Publication number
EP3385209B1
EP3385209B1 EP18165780.0A EP18165780A EP3385209B1 EP 3385209 B1 EP3385209 B1 EP 3385209B1 EP 18165780 A EP18165780 A EP 18165780A EP 3385209 B1 EP3385209 B1 EP 3385209B1
Authority
EP
European Patent Office
Prior art keywords
hoist machine
support base
housing
main shaft
elevator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP18165780.0A
Other languages
English (en)
French (fr)
Other versions
EP3385209A1 (de
Inventor
Hirotsugu Yamamoto
Akitomo Igarashi
Naofumi OGATA
Yoshinori Nishino
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of EP3385209A1 publication Critical patent/EP3385209A1/de
Application granted granted Critical
Publication of EP3385209B1 publication Critical patent/EP3385209B1/de
Active legal-status Critical Current
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/042—Housings for rolling element bearings for rotary movement
    • F16C35/045—Housings for rolling element bearings for rotary movement with a radial flange to mount the housing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/04—Driving gear ; Details thereof, e.g. seals
    • B66B11/043—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation
    • B66B11/0438—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation with a gearless driving, e.g. integrated sheave, drum or winch in the stator or rotor of the cage motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2326/00—Articles relating to transporting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • F16C35/07—Fixing them on the shaft or housing with interposition of an element
    • F16C35/077—Fixing them on the shaft or housing with interposition of an element between housing and outer race ring

Definitions

  • the present invention relates to a hoist machine and an elevator.
  • Patent Literature 1 discloses a hoist machine.
  • the Patent Literature 1 explains the hoist machine as follows. "A hoist machine includes a housing constituted by a pair of support walls, and a top board. The support walls face with each other at intervals while standing from a floor board. Each support wall includes a hollow cylindrical boss. The bosses are coaxially arranged in a horizontal direction. A rotary shaft is spanned over the bosses. The rotary shaft is horizontally disposed so as to be orthogonal to a hoistway. One end of the rotary shaft is rotatably supported with one of the bosses via a first roll bearing. The other end of the rotary shaft is rotatably supported with the other boss via a second roll bearing.”
  • DE 10 2005 047404 A1 proposes a lifting transmission including a rotor element on a fixed axis extending from a stator element and an adjustment element.
  • WO 2011/023559 A1 proposes a bearing arrangement comprising a bearing support, wherein the bearing support comprises at least one receptacle for a bearing.
  • EP 1 886 962 A1 proposes a traction machine for elevators.
  • EP 1 705 148 A1 proposes an elevator hoisting machine having a rotary portion rotatably supported by a base member.
  • a bearing housing for supporting the end of the rotary shaft of the hoist machine at the sheave device side (the side opposite the casing) is disposed in the support wall. Accordingly, the rotary shaft extends to the end of the support wall at the sheave device side.
  • the hoist machine is brought and installed in the existing building while having the support section for the rotary shaft kept attached.
  • the dimension of the hoist machine in the axial direction of the rotary shaft upon carry-in and installation corresponds to the length from the outer end of the casing to the outer end of the support section.
  • a hoist machine as set out in claim 1.
  • an elevator as set out in claim 5.
  • the present invention is capable of reducing the axial dimension of the hoist machine by removing at least a part of the support section.
  • Fig. 1 is a view schematically illustrating an elevator according to an embodiment of the present invention.
  • Fig. 2 is a side view of a hoist machine disposed in a machine chamber.
  • An elevator 2 using a hoist machine 1 is configured to allow a car 4 and a counter weight 5 which are linked with a main rope 3 to be liftable in a hoistway.
  • the hoist machine 1 is disposed between the car 4 and the counter weight 5 via the main rope 3.
  • Fig. 3 is a front view of the hoist machine as shown in Fig. 2 .
  • Fig. 4 is a horizontal sectional view of the hoist machine as shown in Fig. 3 .
  • Fig. 5 is a sectional view of the hoist machine taken along line A-O-B of Fig. 3 .
  • Fig. 6 is a sectional view of the hoist machine taken along line C-C of Fig. 3 .
  • the hoist machine 1 includes a casing 7 in which a stator 6 constituting a motor 23 is stored, a rotor 8 constituting the motor 23 while being arranged to face the stator 6, a frame 22 to which the rotor 8 is attached, a sheave device 9 attached to the frame 22, and a brake 17 brought into contact with the frame 22 for braking rotating motions of the sheave device 9.
  • the main rope 3 is wound around the sheave device 9 which rotates together with the rotor 8.
  • the hoist machine 1 placed on a machine base 19 is configured to drive the car 4 for moving up and down via the main rope 3.
  • the frame 22 rotates together with a main shaft 10 having one end at the casing side in the axial direction attached to the casing 7 via a casing side bearing 11, and the other end at the sheave device side supported with a support section 16.
  • the support section 16 will be explained.
  • the support section 16 includes a support base side bearing 12, a housing 13, a support base 14, and a bolt 15.
  • the support base side bearing 12 is attached to the other end of the main shaft 10, and disposed inside the housing 13.
  • the housing 13 as a part of the support section 16 is disposed closer to the casing than the support base 14 in the axial direction of the main shaft 10.
  • the housing 13 as a part of the support section 16 is configured to be disposed in the inner space of the sheave device 9.
  • the inner space refers to the space defined by the main shaft 10 and the surface of the frame 22, which faces the main shaft 10.
  • At least a part of the housing 13 is at a position interposed between the main shaft 10 and the frame 22.
  • the housing 13 and the support base 14 are assembled with the bolt 15 so as to allow the casing side bearing 11 and the support base side bearing 12 to bear the suspension load of the car 4, the counter weight 5 and the like, which is applied to the sheave device 9 via the main rope 3.
  • the casing 7 bears the suspension load via the casing side bearing 11.
  • the support base 14 is fixed (connected) to the housing 13 with the bolt 15.
  • the frictional force is generated between the housing 13 and the support base 14 under the axial force as a result of fastening the bolt 15 for bearing the suspension load.
  • the hoist machine according to the embodiment of the present invention is configured to have the housing 13 closer to the casing than the support base 14. Further, it is sufficient that the end of the main shaft 10 at sheave device side is located at a position which the support base side bearing 12 is able to support the end of the main shaft 10. It is, therefore, possible to shorten the length of the extended end of the main shaft 10 at sheave device side by the amount corresponding to the distance reduced as a result of the positional difference between the housing 13 and the support base 14. The above-described reduction hardly hinders the support base side bearing 12 from supporting the end of the main shaft 10.
  • Removal of the support section 16, or the support base 14 as a part of the support section 16 makes it possible to make both the weight and the axial dimension of the hoist machine 1 smaller than the case before removal.
  • the hoist machine In the case of carry-in and installation of the hoist machine 1 in the disassembled state by removing at least a part of the support section 16, the hoist machine has to be reassembled in the machine chamber of the building.
  • the hoist machine is installed in the existing building in such cases as renewal or failure of the elevator. In either case, it is preferable to make the days for deactivating the elevator fewer. Therefore, the hoist machine has to be configured to be easily reassembled.
  • the bearing housing of the heavily weighed support base 14 has to be directly fitted with the support base side bearing 12 as the precision component, resulting in deteriorated workability.
  • the housing 13 is separable from the support base 14. They can be assembled and fastened with the bolt 15.
  • the present invention ensures to reduce the axial dimension of the hoist machine expected to be brought and installed in the disassembled state, and to facilitate the assembly work in the building.
  • At least a part of the housing 13 which partially constitutes the support section 16 is disposed in the inner space of the sheave device 9. This makes it possible to shorten the length of the extended end of the main shaft 10 at the sheave device side compared with the structure having the housing 13 disposed outside the inner space of the sheave device 9.
  • the hoist machine 1 further includes an oil reservoir 21 on a leg 24 of the support base 14, extending toward the casing.
  • the oil reservoir 21 is constituted by a recess 25 formed in the leg 24, and a lid 20 that covers the end of the recess 25 at the casing side.
  • the lid 20 is fixed to the support base 14 with the bolt.
  • the support base 14 has an opening 18 located at the level higher than the oil reservoir 21.
  • the above described structure allows the oil reservoir 21 to catch the oil leaked through the housing 13 closer to the casing than the support base 14.
  • the opening 18 allows the operator to inspect the oil leakage from the outside.
  • the structure according to the embodiment of the present invention has the opening 18 formed in the support base 14 so that the oil reservoir 21 is cleaned from the opening 18.
  • the present invention is not restricted to the embodiment as described above, and allows various modifications.
  • the structure having the rotatable main shaft 10 has been described as the example.
  • the fixed shaft as the main shaft.
  • the support section 16 by assembling the component formed by integrating the housing 13 and the support base 14, and the support base side bearing attached to the inside of the housing of the integrated component.
  • the axial dimension of the hoist machine may be reduced in the state where the support base is removed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)

Claims (5)

  1. Aufzug-Hebevorrichtung (1), die Folgendes umfasst:
    eine Triebscheibenvorrichtung (9);
    einen Rahmen (22), an dem die Triebscheibenvorrichtung (9) befestigt ist;
    eine Hauptwelle (10) zum Lagern des Rahmens (22);
    einen Mantel (7) zum Lagern eines Endes der Hauptwelle (10); und
    einen Lagerabschnitt (16) zum Lagern des anderen Endes der Hauptwelle (10),
    wobei der Lagerabschnitt (16) ein Lager (12), das auf einer Seite des anderen Endes an der Hauptwelle (10) angebracht ist, ein Gehäuse (13), in dem das Lager (12) in einem inneren Hohlraum angeordnet ist, und eine Lagerbasis (14) umfasst, an der das Gehäuse (13) befestigt ist,
    dadurch gekennzeichnet, dass:
    das Gehäuse (13) in einer Achsenrichtung der Hauptwelle (10) näher an dem Mantel (7) angeordnet ist als die Lagerbasis (14); und
    zumindest ein Teil des Gehäuses (13) in einer Seitenschnittansicht der Aufzug-Hebevorrichtung an einer Position angeordnet ist, die sich zwischen der Hauptwelle (10) und dem Rahmen (22) befindet.
  2. Aufzug-Hebevorrichtung (1) nach Anspruch 1, ferner umfassend einen Bolzen (15) zum Fixieren des Gehäuses (13) und der Lagerbasis (14), die voneinander getrennt sind.
  3. Aufzug-Hebevorrichtung (1) nach Anspruch 1 oder Anspruch 2, wobei:
    die Lagerbasis (14) mit einem Ölreservoir (21) versehen ist; und
    das Ölreservoir (21) mit einer Vertiefung (25) konfiguriert ist, die in einem Schenkel (24) der Lagerbasis (14) ausgebildet ist, die sich zum Mantel (7) hin erstreckt, und ein Deckel (20) an einem Ende des Schenkels (24) angeordnet ist.
  4. Aufzug-Hebevorrichtung (1) nach Anspruch 3, wobei die Lagerbasis (14) eine Öffnung (18) auf einem Niveau aufweist, das höher liegt als das Ölreservoir (21).
  5. Aufzug (2), der Folgendes umfasst:
    eine Kabine (4), die konfiguriert ist, sich in einem Aufzugschacht auf und ab zu bewegen;
    ein Gegengewicht (5), das konfiguriert ist, sich in dem Aufzugschacht auf und ab zu bewegen;
    ein Hauptseil (3) zum Verbinden der Kabine (4) und des Gegengewichts (5); und
    eine Hebevorrichtung (1) zum Auf- und Ab-Bewegen der Kabine (4) und des Gegengewichts (5) durch Aufwinden des Hauptseils (3),
    dadurch gekennzeichnet, dass:
    eine Hebevorrichtung nach einem der Ansprüche 1 bis 4 als Hebevorrichtung (1) verwendet wird.
EP18165780.0A 2017-04-07 2018-04-04 Hebemaschine und aufzug Active EP3385209B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017076402A JP6742269B2 (ja) 2017-04-07 2017-04-07 巻上機およびエレベーター

Publications (2)

Publication Number Publication Date
EP3385209A1 EP3385209A1 (de) 2018-10-10
EP3385209B1 true EP3385209B1 (de) 2020-01-22

Family

ID=61906709

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18165780.0A Active EP3385209B1 (de) 2017-04-07 2018-04-04 Hebemaschine und aufzug

Country Status (3)

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EP (1) EP3385209B1 (de)
JP (1) JP6742269B2 (de)
CN (1) CN108689283B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3854911A4 (de) 2018-09-21 2022-05-04 Asahi Kasei Kabushiki Kaisha Vorrichtung zur herstellung eines laminats, verfahren zur herstellung eines laminats, verpackung, laminat, elektrolysezelle und verfahren zur herstellung einer elektrolysezelle
CN109250614A (zh) * 2018-11-27 2019-01-22 中实洛阳重型机械有限公司 一种新型单绳摩擦式矿井提升机
EP3659955A1 (de) * 2018-11-30 2020-06-03 Inventio AG Getriebelose permanentmagnet-synchronmaschine für einen aufzug
WO2020255285A1 (ja) * 2019-06-19 2020-12-24 株式会社日立製作所 巻上機、それを用いたエレベーター装置、および、プーリ装置

Family Cites Families (14)

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Publication number Priority date Publication date Assignee Title
JP2005053672A (ja) * 2003-08-06 2005-03-03 Mitsubishi Electric Corp エレベータ用巻上機のブレーキ装置
WO2005068338A1 (ja) * 2004-01-15 2005-07-28 Mitsubishi Denki Kabushiki Kaisha エレベータ用巻上機
WO2005080251A1 (ja) * 2004-02-25 2005-09-01 Mitsubishi Denki Kabushiki Kaisha エレベータ用巻上機
JP4636362B2 (ja) * 2004-08-23 2011-02-23 株式会社安川電機 電動機
JP4365345B2 (ja) * 2004-10-20 2009-11-18 三菱電機株式会社 巻上機及びその据付方法
JP2006219274A (ja) * 2005-02-14 2006-08-24 Mitsubishi Electric Corp エレベータ用巻上機及びエレベータ用巻上機の軸受交換方法
CN1984833B (zh) * 2005-05-30 2012-04-25 三菱电机株式会社 电梯用曳引机
JP5229860B2 (ja) 2007-08-10 2013-07-03 東芝エレベータ株式会社 エレベータ用巻上機
JP4550120B2 (ja) * 2008-01-28 2010-09-22 株式会社日立製作所 エレベータ用巻上機
JP2010100373A (ja) * 2008-10-22 2010-05-06 Mitsubishi Electric Corp エレベータ巻上機及びエレベータ装置
JP5238473B2 (ja) * 2008-12-16 2013-07-17 株式会社日立産機システム エレベータ用巻上機及びその駆動モータ
WO2011023559A1 (de) * 2009-08-24 2011-03-03 Aktiebolaget Skf Lageranordnung
CN201574018U (zh) * 2010-01-08 2010-09-08 浙江玛拓驱动设备有限公司 一种无座永磁同步曳引机
WO2015132850A1 (ja) * 2014-03-03 2015-09-11 三菱電機株式会社 エレベータ用巻上機

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Also Published As

Publication number Publication date
CN108689283A (zh) 2018-10-23
JP2018177415A (ja) 2018-11-15
EP3385209A1 (de) 2018-10-10
JP6742269B2 (ja) 2020-08-19
CN108689283B (zh) 2020-07-14

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